/*
 *      Copyright (C) 2010-2021 Hendrik Leppkes
 *      http://www.1f0.de
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#pragma once

struct GetBitContext;

class CVC1HeaderParser
{
  public:
    CVC1HeaderParser(const BYTE *pData, size_t length, AVCodecID codec = AV_CODEC_ID_VC1);
    ~CVC1HeaderParser(void);

    AVPictureType ParseVC1PictureType(const uint8_t *buf, int buflen);

  public:
    struct
    {
        int valid;

        int profile;
        int level;

        int width;
        int height;

        int broadcast;
        int interlaced;

        AVRational ar;

        int old_interlaced;
        int bframes;
        int finterp;
        int rangered;
    } hdr;

  private:
    void ParseVC1Header(const BYTE *pData, size_t length, AVCodecID codec);
    void VC1ParseSequenceHeader(GetBitContext *gb);
};
